Electronics Forum | Thu Sep 26 20:43:51 EDT 2002 | davef
"OK. If the connection doesn't look like I expect it to look, how do I know that the metallurgy is correct?" Comments are: * There are no pictures that will get you though this. * You should expect that gold that is dissolved in Pb/Sn solder to make
Electronics Forum | Fri Nov 01 09:35:52 EST 2002 | James Bartlett
MINIMUM NDSU EMEG EQUIPMENT SPECIFICATIONS (11/1/02) To serve microsensor research and development via the Center for Nano-scale Science and Engineering (CNSE), the North Dakota State University (NDSU) Electronics Manufacturing Engineering Group (EM
Electronics Forum | Tue Feb 11 17:14:50 EST 2003 | Matherat
Traditional methods of hand assembly are as you described. For a company that is concentrating on the 1-5 or 5-50 quantities you've described, you need to look for ways to accomplish your task with speed, repeatablilty, quality and at a fair price. T
Electronics Forum | Thu Aug 28 16:13:06 EDT 2003 | Dan Gosselin
Thanks everyone for your help. I have since found a good article I am downloading of of the SMTA website. Dan Title : EFFECT OF SURFACE TENSION OF SOLDER ON UNDERSIDE DEVICE SUPPORT DURING REFLOW OF A PCBA Author : Mulugeta Abtew Author Company
Electronics Forum | Fri Mar 03 07:03:57 EST 2006 | Mity-C
Good Morning All, We have a Mydata shop. 5 lines in all. We are also using a mix of old style and Agilis feeders. The claim that you will not loose parts in loading is based on keeping the clip with the reel. This is the whole basis of the Agilis co
Electronics Forum | Wed Feb 21 06:11:41 EST 2007 | CL
Good Morning, We have 5 Mydata MY machines in separate lines. We are placing 0201's, uBGA's, CSP's, etc.... I cant say that we have never had accuracy problems but whatever caused the problems was identified and they are fairly accurate as far as I'
Electronics Forum | Sun Nov 19 16:37:06 EST 2006 | finepitch
Hi RJK, 2.5 years ago, I pointed out the exact same thing you did now. (please see the below link) http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=7076&#Message28261 I am a competing brand's rep for 3 years, but p
Electronics Forum | Tue Nov 14 21:27:26 EST 2006 | davef
"Hidden pillow" seems to be a a variant of "pillow effect" or "head in pillow". Pillow effect is an open, with non-wetting between the lead and the solder on the pad. Here the lead sags into the solder without any bonding or wetting. Poor wetting c
Electronics Forum | Tue Apr 21 02:28:54 EDT 2015 | dinhhuunam
Juki GL-1.... Any thoughts? I'm New to the > industry and I'm trying to buy a new screen > printer. I have two in mind, DEK and Juki. Hi Sir, I'll advise you the SJ INNOTECH Vision Screen printer Best Solution & Service for You Model HP-520S Hi
Electronics Forum | Fri Feb 09 09:52:48 EST 2018 | jmedernach
Rather than provide an endorsement of a particular brand, I'd like to give you some factors to consider in your selection: 1.) Bottom heater capacity and capability. The bottom heater is a key driver in a successful rework process. You want to even
